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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2009/07/17 01:20:14 UTC
[jira] Created: (HBASE-1666) 'safe mode' is broken; MetaScanner
initial scan completes without scanning .META.
'safe mode' is broken; MetaScanner initial scan completes without scanning .META.
---------------------------------------------------------------------------------
Key: HBASE-1666
URL: https://issues.apache.org/jira/browse/HBASE-1666
Project: Hadoop HBase
Issue Type: Bug
Reporter: stack
initial scan completed flag is set on scanner though it hasn't been deployed never mind scanned. This means we pass out of safe mode soon after startup.
Even if metascanner is fixed so initialScan does not complete till after .META. has been scanned the first time, 'safe mode' seems to mess with region assignment in a way that makes it crawl.
Investigate and fix.
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[jira] Commented: (HBASE-1666) 'safe mode' is broken; MetaScanner
initial scan completes without scanning .META.
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771144#action_12771144 ]
stack commented on HBASE-1666:
------------------------------
Removed as part of hbase-1816 work.
> 'safe mode' is broken; MetaScanner initial scan completes without scanning .META.
> ---------------------------------------------------------------------------------
>
> Key: HBASE-1666
> URL: https://issues.apache.org/jira/browse/HBASE-1666
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 0.21.0
>
>
> initial scan completed flag is set on scanner though it hasn't been deployed never mind scanned. This means we pass out of safe mode soon after startup.
> Even if metascanner is fixed so initialScan does not complete till after .META. has been scanned the first time, 'safe mode' seems to mess with region assignment in a way that makes it crawl.
> Investigate and fix.
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You can reply to this email to add a comment to the issue online.
[jira] Commented: (HBASE-1666) 'safe mode' is broken; MetaScanner
initial scan completes without scanning .META.
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-1666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771143#action_12771143 ]
stack commented on HBASE-1666:
------------------------------
I just purged safe-mode. Next up, fixing setting of metaregion scanned flag.
> 'safe mode' is broken; MetaScanner initial scan completes without scanning .META.
> ---------------------------------------------------------------------------------
>
> Key: HBASE-1666
> URL: https://issues.apache.org/jira/browse/HBASE-1666
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 0.21.0
>
>
> initial scan completed flag is set on scanner though it hasn't been deployed never mind scanned. This means we pass out of safe mode soon after startup.
> Even if metascanner is fixed so initialScan does not complete till after .META. has been scanned the first time, 'safe mode' seems to mess with region assignment in a way that makes it crawl.
> Investigate and fix.
--
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You can reply to this email to add a comment to the issue online.